Re: [PATCH V2 2/2] apple_gmux: Add support for newer hardware

[Seth Forshee]

On Tue, Aug 14, 2012 at 04:53:47PM +0200, Bernhard Froemel wrote:
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> 
> Only in relation to Seth's future apple-gmux patch series about
> vgaswitcheroo and restoring the gmux device configuration across
> suspend/resume [1]:
> On resume the gmux registers 0x28 (DDC) and 0x10 (SWITCH_DISPLAY)
> (i.e., the first two writes) are not restored (result: the screen
> remains black after suspend/resume).
> 
> Of course, this does not happen with my patch proposal ;)
> Unfortunately, I have not the time to sort this out in the next couple
> of days -- on the other hand this is probably not a problem w.r.t.
> this patch, but needs to be taken care of in Seth's patch series.

The patch adding support for switcheroo *does* restore those registers
on resume. Are you saying that isn't happening when you use it?

Seth

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